Herpes zoster in lung cancer patients treated with PD-1/PD-L1 inhibitors

Herpes zoster (HZ) occurs mostly in elderly and immunocompromised individuals. Immune reconstitution may be associated with the pathogenesis of HZ. As immune checkpoint inhibitor (ICI) treatment amplifies the immune response, use of ICI may increase the incidence of HZ. There have been few studies o...

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Published inTranslational cancer research Vol. 11; no. 3; pp. 456 - 462
Main Authors Taoka, Masataka, Ochi, Nobuaki, Yamane, Hiromichi, Yamamoto, Takenobu, Kawahara, Tatsuyuki, Uji, Emiko, Kosaka, Youko, Takeda, Kouhei, Nagasaki, Yasunari, Nakanishi, Hidekazu, Aoyama, Yumi, Takigawa, Nagio
Format Journal Article
LanguageEnglish
Published China AME Publishing Company 01.03.2022
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Summary:Herpes zoster (HZ) occurs mostly in elderly and immunocompromised individuals. Immune reconstitution may be associated with the pathogenesis of HZ. As immune checkpoint inhibitor (ICI) treatment amplifies the immune response, use of ICI may increase the incidence of HZ. There have been few studies of HZ in lung cancer patients treated with ICI. This study was performed to investigate the frequency of HZ in lung cancer patients who received ICI or cytotoxic chemotherapeutic agents. We searched the electronic medical records for lung cancer patients receiving anticancer drug therapy at our hospital, who developed HZ between April 2011 and June 2020. The review identified 80 patients with a history of ICI treatment (ICI group) and 356 who had been treated with cytotoxic chemotherapeutic agents alone (non-ICI group). Among the 20 patients who developed HZ, 4 (5.0%) belonged to the ICI group and 16 (4.5%) to the non-ICI group (P=0.782). After exclusion of patients aged 65 years and older, to avoid effects of advanced age on the results, the ICI and non-ICI groups consisted of 24 and 81 patients, respectively. In total, 3 of the 24 patients (12.5%) in the ICI group and 1 of the 81 (1.2%) patients in the non-ICI group developed HZ (P=0.0365). There was no significant difference in the rate of HZ between lung cancer patients treated with ICI and those treated with cytotoxic chemotherapy alone. However, patients younger than 65 years treated with ICI might be at increased risk of HZ. Because this is a retrospective small study, further prospective observational studies are needed.
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ORCID: 0000-0002-3835-5128.
Contributions: (I) Conception and design: M Taoka, N Ochi, H Yamane, T Yamamoto, Y Aoyama, N Takigawa; (II) Administrative support: N Takigawa; (III) Provision of study materials or patients: All authors; (IV) Collection and assembly of data: M Taoka, N Ochi, T Kawahara, E Uji, Y Kosaka, K Takeda; (V) Data analysis and interpretation: M Taoka, N Ochi, H Yamane, T Yamamoto, N Takigawa; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors.
ISSN:2218-676X
2219-6803
DOI:10.21037/tcr-21-2764